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2 years ago

5

Please help me find the length!!

1 answer:

galben [10]2 years ago

8 0

So, this would be a common circle question.

First, 20 degrees from a circle's curcumference would be 20/360, which is 1/18.

This means that the length of the arc of AB should be 1/18 of the circumference.

The formula for the circumference it 2pi*r

2*pi*27=54pi

54pi* 1/18= 6 pi

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